From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 693F4EB64D9 for ; Mon, 19 Jun 2023 17:30:52 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 81E278D0003; Mon, 19 Jun 2023 13:30:51 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7CE0B8D0001; Mon, 19 Jun 2023 13:30:51 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 66E488D0003; Mon, 19 Jun 2023 13:30:51 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 5085A8D0001 for ; Mon, 19 Jun 2023 13:30:51 -0400 (EDT) Received: from smtpin09.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 1A12AB0B22 for ; Mon, 19 Jun 2023 17:30:51 +0000 (UTC) X-FDA: 80920187502.09.0F753BF Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by imf25.hostedemail.com (Postfix) with ESMTP id 110A8A000A for ; Mon, 19 Jun 2023 17:30:47 +0000 (UTC) Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=suse.com header.s=susede1 header.b=pQDFDQhH; dmarc=pass (policy=quarantine) header.from=suse.com; spf=pass (imf25.hostedemail.com: domain of mkoutny@suse.com designates 195.135.220.29 as permitted sender) smtp.mailfrom=mkoutny@suse.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1687195848; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=xQFY7fZePp2Fj2uiaSid1me/iXz0lajB7QFNjTT4+ls=; b=CK77o+K9GOoYGUZluoCQs3augOuiyPtZuMX/CO5EH/8u4n9Nf2UQJtVYVt59ENgxDWJGHP 7Vk2/d/RMTe0QzHDrxh2WH8QwkWIZZp8FuyOXC8sosA655M59Jy8y/X3hgldsWTB//eJi8 u0WQ84g2dvu7VyJKQuvuRYbx7gwAWdw= ARC-Authentication-Results: i=1; imf25.hostedemail.com; dkim=pass header.d=suse.com header.s=susede1 header.b=pQDFDQhH; dmarc=pass (policy=quarantine) header.from=suse.com; spf=pass (imf25.hostedemail.com: domain of mkoutny@suse.com designates 195.135.220.29 as permitted sender) smtp.mailfrom=mkoutny@suse.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1687195848; a=rsa-sha256; cv=none; b=krN6dg2JQLiQhZbiwbmc6nLnHTMXKMSsTAAnOGIntHzDdbieONHvIqaap91+zdbUsocC0T UTk8N/gycYHUhCZZYBSvLf7e+qrb403LCX9HCI4ZtAUGpp/BDM2UrLtg3XAQZxwUtjxmZK cSJsM1f0PDKK+B05zAIA6Y5aJ4Fp1aU= Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 231BA1F88D; Mon, 19 Jun 2023 17:30:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1687195846; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=xQFY7fZePp2Fj2uiaSid1me/iXz0lajB7QFNjTT4+ls=; b=pQDFDQhHXe7phJt2fLX6ATZgBbeZhDTeziVy/2jZ2ixsWgmpbNLBNi7nbpYLDA8l/FFmcP TF2KLLk5U5yCq8QR0WdQC1HSOfTQDoivDzVuA9P7h1z4nK7a78h/gLR2/pNN2LoyLBKUhc /iogDsjyLttIrG2Z6PpDRYlw0dAv8hs= Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 8B21F139C2; Mon, 19 Jun 2023 17:30:45 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id kPYLIcWQkGQbdwAAMHmgww (envelope-from ); Mon, 19 Jun 2023 17:30:45 +0000 Date: Mon, 19 Jun 2023 19:30:44 +0200 From: Michal =?utf-8?Q?Koutn=C3=BD?= To: Abel Wu Cc: Eric Dumazet , Tejun Heo , Christian Warloe , Wei Wang , "David S. Miller" , Jakub Kicinski , Paolo Abeni , Johannes Weiner , Michal Hocko , Roman Gushchin , Shakeel Butt , Muchun Song , Andrew Morton , David Ahern , Yosry Ahmed , "Matthew Wilcox (Oracle)" , Yu Zhao , Vasily Averin , Kuniyuki Iwashima , Martin KaFai Lau , Xin Long , Jason Xing , Michal Hocko , Alexei Starovoitov , open list , "open list:NETWORKING [GENERAL]" , "open list:CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG)" , "open list:CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG)" Subject: Re: [RFC PATCH net-next] sock: Propose socket.urgent for sockmem isolation Message-ID: <4p22vtjrpu4obmbjivgpe635gbpjmhsfisnxghgsson2g6yy5r@ovawhchw7maq> References: <20230609082712.34889-1-wuyun.abel@bytedance.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="gmi7m3lyy75eha77" Content-Disposition: inline In-Reply-To: X-Rspamd-Queue-Id: 110A8A000A X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: uaqp98maopwpr8epgzkuxhue9my8cdbd X-HE-Tag: 1687195847-665900 X-HE-Meta: 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 HrGxNryb 7l4RY1/agQomM5uPHkJm70xLgm/bcHSszls2C97EirdN7NPtTug98FaAWiGbtrYiRvalmnaqhRM7zRTdayDOibiWUDRWhQIehHgkErfcmHqXdtD5zJnkkgTbti1NboBjG4QePLVSCz2tePBvU9QPvQMNkj6cGO24goM8WDYse7MZRC2WtGsJ/ayJEMlvUR7M1rip5K1BpP4jbx1JRN9VAKvXtLOu9dflUo6eZQfe4hlq/jZTHEB9AHi6WRTAzxbVnD9BT0RR2DWC5IdCay1i0MkNq50WMxr7/VdwK1MT2TlJqI9kKmssXdU6OnYuJkaQxBn1h9MF+pwtAeAze7WLqBAjlhHvDoOl4GuVTss1L7YfWyp+lT0o8mJNfUlotbYjfjjiKTdRCTEYK85DmEjg57YWcnYJByf4KnaMsUfzsgBoG8DZXpfAFB7MdS3s3LwnWFmM8 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: --gmi7m3lyy75eha77 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Jun 13, 2023 at 02:46:32PM +0800, Abel Wu wrote: > Memory protection (memory.{min,low}) helps the important jobs less > affected by memstalls. But once low priority jobs use lots of kernel > memory like sockmem, the protection might become much less efficient. What would happen if you applied memory.{min,low} to the important jobs and memory.{max,high} to the low prio ones? Thanks, Michal --gmi7m3lyy75eha77 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQpEWyjXuwGT2dDBqAGvrMr/1gcjgUCZJCQwgAKCRAGvrMr/1gc jlfqAP4n8Ka+X+iVeFLtQT/sbo8Dudkos2fyhrkWo0/AJG9aogD9GEihJOOgAxk9 aCoZ0Kwdy6zyeUy+7PVrsCAOIKJHJQc= =1Q4d -----END PGP SIGNATURE----- --gmi7m3lyy75eha77--